CN106753156A - A kind of sulfonic acid type green environment protection adhesion agent and preparation method thereof - Google Patents
A kind of sulfonic acid type green environment protection adhesion agent and preparation method thereof Download PDFInfo
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- CN106753156A CN106753156A CN201611240127.6A CN201611240127A CN106753156A CN 106753156 A CN106753156 A CN 106753156A CN 201611240127 A CN201611240127 A CN 201611240127A CN 106753156 A CN106753156 A CN 106753156A
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- sulfonic acid
- acid type
- chain extender
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6648—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6651—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention discloses a kind of sulfonic acid type green environment protection adhesion agent and preparation method thereof, is prepared by each component of following weight portion：100 parts of polycarbonate polyol, 50 ~ 70 parts of diisocyanate, 0.5 ~ 1.5 part of small molecule chain extender, 0.02 ~ 0.1 part of dibutyl tin laurate, 10 ~ 25 parts of organic solvent, 1 ~ 10 part of sulfonic acid type hydrophilic chain extender, 150 ~ 250 parts of deionized water；Preparation method step is：The base polyurethane prepolymer for use as of NCO end-group terminations is generated with polycarbonate polyol and di-isocyanate reaction；Being subsequently adding small molecule chain extender carries out chain extending reaction, and adding sulfonic acid type hydrophilic chain extender carries out sulfonating reaction, forms polyurethane from aggressiveness；Then add water dispersion at a high speed, and last vacuum distillation removes organic solvent, obtains finished product.Product of the invention have good thermal stability, it is safe and nontoxic, environment-friendly the characteristics of.
Description
Technical field
The invention belongs to field of adhesive technology, and in particular to a kind of sulfonic acid type green environment protection adhesion agent and its preparation side
Method.
Background technology
Polyurethane is that a class is synthesized by polycondensation by polyisocyanates (especially based on diisocyanate) and polyalcohol
The general designation of resinae compound.Polyurethane is the block copolymer collectively constituted by soft and hard segments, generally, oligomer it is poly-
Ester, PPG constitute soft section, and presentation is random to curl form；And polyisocyanates, small molecule chain extender, hydrophilic chain extension
Agent etc. constitutes hard section, and its segment is all more stiff, and rod phase morphology is presented under normal temperature.The presence of soft or hard mutually embedding segment so that poly- ammonia
Ester has superior filming performance, unique adhesive property and excellent pliability.Thus it is widely used in coating, gluing
Agent, textile auxiliary and medicine and other fields.
In recent years, as " environment-friendly and green " is rooted in the hearts of the people, various countries put into effect every provisions of laws and regulations chemical products in succession
Must develop towards nontoxic, innoxious, environment-friendly direction.Traditional organic solvent type polyurethane adhesive contains organic molten
Agent and other poisonous auxiliary agents, due to its pollution and toxicity, are increasingly subject to limitation in use.And water-base polyurethane material due to
Organic solvent is instead of using water, the characteristics of with safe and nontoxic, pollution-free, environmental protection, the poly- ammonia of organic solvent type is overcome
The defect of ester.At present, the research of aqueous polyurethane is very more, and majority is, by self-emulsification, to be synthesized using dihydromethyl propionic acid
Carboxylic acid type aqueous polyurethane.But carboxylic acid type hydrophilic chain extender generally forms weak acid and mild base salt, emulsion is uneven, and nertralizer is also easy
Volatilization, limits its application in field of food；Water resistance, resistance to acids and bases, high and low temperature resistance all have with solvent-borne type after film forming
A certain distance so that it is interrupted in the application of the aspects such as coating, adhesive.
At present, synthesis sulfonic acid type water-based polyurethane method the most practical is in chain extension process, to be introduced directly into small molecule
Sulfonic acid type hydrophilic chain extender.Common this kind of chain extender has：1,4- butanediol -2- sodium sulfonates, 1,2- dihydroxy -3-N-morpholinopropanesulfonic acid
Sodium, 2,4- diamino benzene sulfonic acids sodium, ethylenediamine base ethyl sulfonic acid sodium etc..Sulfonic acid type water-based polyurethane have well bond, it is water-fast,
Heat resistance.Therefore, the research of sulfonic acid type water-based polyurethane is determined to win, and it is at aspects such as coating, adhesive, personal nursings
Increasingly it is widely applied.This patent is using sulfonic acid type small molecule as hydrophilic chain extender, and the sulfonic acid type of preparation is aqueous poly-
Urethane adhesive good thermal stability, it is environmentally friendly.
The content of the invention
The present invention is modified by sulfonic acid type hydrophilic chain extender to polyurethane adhesive, it is therefore an objective to provide a kind of sulfonic acid type
Green environment protection adhesion agent and preparation method thereof, the sulfonic acid type green environment protection adhesion agent is prepared by each component of following weight portion：
100 parts of polycarbonate polyol
50 ~ 70 parts of diisocyanate
0.5 ~ 1.5 part of small molecule chain extender
0.02 ~ 0.1 part of dibutyl tin laurate
10 ~ 25 parts of organic solvent
1 ~ 10 part of sulfonic acid type hydrophilic chain extender
150 ~ 250 parts of deionized water；
Specifically preparation method step is：Equipped with N2Four mouthfuls of protection device, reflux condensate device, thermometer and mechanical agitator
A certain amount of polycarbonate polyol is added in flask, 1 ~ 2 h is dehydrated under conditions of 120 DEG C and -0.01 MPa；Dehydration
After be cooled to 60 ~ 80 DEG C, to the diisocyanate being slowly added into polycarbonate polyol, the h of insulation reaction 1 ~ 4,
Obtain the performed polymer of polycarbonate polyol and diisocyanate；By polycarbonate polyol and the performed polymer liter of diisocyanate
Temperature is subsequently adding small molecule chain extender and dibutyl tin laurate reacts 2 ~ 5 h to 80 ~ 100 DEG C；It is rapidly cooled to
10 ~ 25 DEG C, organic solvent diluting is added, adding sulfonic acid type hydrophilic chain extender carries out chain extending reaction 25 min, Zhi Houjia
Enter deionized water, the min of dispersion and emulsion 30, last vacuum distillation is sloughed organic solvent, obtains sulfonic acid type green environment protection adhesion agent.
Heretofore described polycarbonate polyol is makrolon -1,4- butanediols, makrolon ethylene glycol, poly- carbon
One or more arbitrary proportion mixture in acid esters diglycol, makrolon -1,6-HD.
Heretofore described diisocyanate is toluene di-isocyanate(TDI), 1,4- tetramethylene diisocyanates, 1,6-
In hexamethylene diisocyanate, isoflurane chalcone diisocyanate, XDI, Methylcyclohexyl diisocyanate
One or more arbitrary proportion mixture.
Heretofore described small molecule chain extender be ethylenediamine, 1,3- propane diamine, 1,4- butanediamine, 1,5- pentanediamines,
One or more in 1,6- hexamethylene diamines, ethylene glycol, 1,6-HD, 1,4- butanediols, diglycol, neopentyl glycol
Arbitrary proportion mixture.
Heretofore described organic solvent is 1-METHYLPYRROLIDONE, ethyl acetate, acetone, butanone, tetrahydrofuran, 1,
One or more arbitrary proportion mixture in 4- dioxane.
Heretofore described sulfonic acid type hydrophilic chain extender be ethylenediamine base ethyl sulfonic acid sodium, 1,4- butanediol -2- sodium sulfonates,
One or more arbitrary proportion mixture in 1,2- dihydroxy -3-N-morpholinopropanesulfonic acid sodium, 2,4- diamino benzene sulfonic acid sodium.
Beneficial effects of the present invention：A kind of sulfonic acid type green environment protection adhesion agent and preparation method thereof, the sulfonic acid type of finished product is green
Color environment-friendly adhesive is free of organic solvent, the characteristics of with safe and nontoxic, pollution-free, environmental protection, overcomes organic solvent type
The defect of polyurethane, and the uniform good thermal stability of the penetrating odor without amine, emulsion；Using sulfonic acid type small molecule conduct
Hydrophilic chain extender, the sulfonic acid type green environment protection adhesion agent good thermal stability of preparation is environmentally friendly.
Brief description of the drawings
Fig. 1 is modified sulfonic acid type green environment protection adhesion agent（Embodiment 3）With the thermal weight loss point of unmodified polyurethane
Analysis spectrogram.
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content for having read instruction of the present invention, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
Embodiment 1
Equipped with N2The poly- carbon of 50 g is added in the four-hole boiling flask of protection device, reflux condensate device, thermometer and mechanical agitator
Acid esters-BDO, at 120 DEG C, is dehydrated 1 h under conditions of -0.01 MPa；60 DEG C are cooled to, are lentamente added thereto
Enter 32 g toluene di-isocyanate(TDI)s, the h of insulation reaction 4 obtains the performed polymer of low-molecular-weight；Performed polymer is warming up to 80 DEG C, so
After add 0.6 g ethylenediamines small molecule chain extender and 0.01 g dibutyl tin laurates to react 2 h；10 DEG C are rapidly cooled to,
10 mL 1-METHYLPYRROLIDONEs are added to dilute, adding 2 g ethylenediamine base ethyl sulfonic acid sodium hydrophilic chain extenders carries out chain extending reaction
25 min；100 g deionized waters are added, the min of dispersion and emulsion 30, last vacuum distillation is sloughed 1-METHYLPYRROLIDONE, obtains sulphur
Acid type green environment protection adhesion agent.
Embodiment 2
Equipped with N2The poly- carbon of 50 g is added in the four-hole boiling flask of protection device, reflux condensate device, thermometer and mechanical agitator
Acid esters ethylene glycol, at 120 DEG C, is dehydrated 1 h under conditions of -0.01 MPa；70 DEG C are cooled to, 32 g are slowly added into thereto
Isosorbide-5-Nitrae-tetramethylene diisocyanate, the h of insulation reaction 2, obtains the performed polymer of low-molecular-weight；Performed polymer is warming up to 90 DEG C,
It is subsequently adding 0.6 g 1,6-HDs small molecule chain extender and 0.01 g dibutyl tin laurates reacts 2 h；Rapid cooling
To 15 DEG C, the dilution of 10 mL ethyl acetate is added, adding 2 g BDO -2- sodium sulfonates hydrophilic chain extenders carries out chain extension
React 25 min；100 g deionized waters are added, the min of dispersion and emulsion 30, last vacuum distillation is sloughed ethyl acetate, obtains sulphur
Acid type green environment protection adhesion agent.
Embodiment 3
Equipped with N2The poly- carbon of 50 g is added in the four-hole boiling flask of protection device, reflux condensate device, thermometer and mechanical agitator
Acid esters diglycol, at 120 DEG C, is dehydrated 2 h under conditions of -0.01 MPa；80 DEG C are cooled to, are lentamente added thereto
Enter 32 g isoflurane chalcone diisocyanates, the h of insulation reaction 3 obtains the performed polymer of low-molecular-weight；Performed polymer is warming up to 100
DEG C, it is subsequently adding 0.6 g diglycols small molecule chain extender and 0.01 g dibutyl tin laurates reacts 2 h；Rapidly
15 DEG C are cooled to, the dilution of 10 mL acetone is added, 2 g 1 are added, 2- dihydroxy -3-N-morpholinopropanesulfonic acid sodium hydrophilic chain extender is expanded
The min of chain reaction 25；100 g deionized waters are added, the min of dispersion and emulsion 30, last vacuum distillation is sloughed acetone, obtains sulfonic acid
Type green environment protection adhesion agent.
Embodiment 4
Equipped with N2The poly- carbon of 50 g is added in the four-hole boiling flask of protection device, reflux condensate device, thermometer and mechanical agitator
Acid esters -1,6- hexylene glycols, at 120 DEG C, are dehydrated 1.5 h under conditions of -0.01 MPa；65 DEG C are cooled to, thereto lentamente
32 g 1, hexamethylene-diisocyanate, the h of insulation reaction 3 are added to obtain the performed polymer of low-molecular-weight；Performed polymer is warming up to 88
DEG C, it is subsequently adding 0.6 g Putriscines small molecule chain extender and 0.01 g dibutyl tin laurates reacts 3.5 h；Rapidly
20 DEG C are cooled to, the dilution of 10 mL butanone is added, 2 g 2 are added, 4- diamino benzene sulfonic acid sodium hydrophilic chain extenders carry out chain extension
React 25 min；100 g deionized waters are added, the min of dispersion and emulsion 30, last vacuum distillation is sloughed butanone, obtains sulfonic acid type
Green environment protection adhesion agent.
Embodiment 5
Equipped with N2The poly- carbon of 50 g is added in the four-hole boiling flask of protection device, reflux condensate device, thermometer and mechanical agitator
Acid esters-BDO, at 120 DEG C, is dehydrated 1 h under conditions of -0.01 MPa；72 DEG C are cooled to, are lentamente added thereto
Enter 32 g isoflurane chalcone diisocyanates, the h of insulation reaction 2 obtains the performed polymer of low-molecular-weight；Performed polymer is warming up to 90
DEG C, 0.6 g 1 is subsequently adding, 6- hexamethylene diamines small molecule chain extender and 0.01 g dibutyl tin laurates react 5 h；It is rapid cold
But to 10 DEG C, the dilution of 10 mL tetrahydrofurans is added, adds 2 g BDO -2- sodium sulfonate hydrophilic chain extenders and expanded
The min of chain reaction 25；100 g deionized waters are added, the min of dispersion and emulsion 30, last vacuum distillation is sloughed tetrahydrofuran, obtained
Sulfonic acid type green environment protection adhesion agent.
Embodiment 6
Equipped with N2The poly- carbon of 50 g is added in the four-hole boiling flask of protection device, reflux condensate device, thermometer and mechanical agitator
Acid esters -1,6- hexylene glycols, at 120 DEG C, are dehydrated 1 h under conditions of -0.01 MPa；60 DEG C are cooled to, are lentamente added thereto
Enter 32 g XDIs, the h of insulation reaction 4 obtains the performed polymer of low-molecular-weight；Performed polymer is warming up to 85
DEG C, it is subsequently adding 0.6 g BDOs small molecule chain extender and 0.01 g dibutyl tin laurates reacts 4.5 h；Rapidly
15 DEG C are cooled to, 10 mL1 are added, the dilution of 4- dioxane adds 2 g 1, the 2- dihydroxy-hydrophilic chain extension of 3-N-morpholinopropanesulfonic acid sodium
Agent carries out the min of chain extending reaction 25；100 g deionized waters are added, Isosorbide-5-Nitrae-two is sloughed in the min of dispersion and emulsion 30, last vacuum distillation
The ring of oxygen six, obtains sulfonic acid type green environment protection adhesion agent.
Embodiment 7
Gluing agent emulsion and standard aqueous polyurethane adhesive prepared by embodiment 3 take equivalent be poured on tetrafluoroethene plate into
Film, places one week under the conditions of 25 DEG C, places into vacuum drying oven in being dried 2 days at 60 DEG C, obtains gathering for about 100 μm of thickness
Urethane glue film.The heat resistance of glued membrane is weighed using thermogravimetric curve, Shimadzu TGA-50H thermogravimetric analyzers are used
To test the thermogravimetric curve of glued membrane, the testing sample for weighing 6 ~ 10 mg is put into crucible, under nitrogen atmosphere heat flow rate
It is 10 DEG C/min, 50 DEG C ~ 800 DEG C of Range of measuring temp.Two kinds of polyurethane materials as can be seen from Figure 1, the first stage is
, from 50 DEG C ~ 280 DEG C, less, residual mass is essentially identical for the degraded difference of material, but works as the degradation temperature of hard section ammonia ester bond
When temperature is increased to after 400 DEG C, comparative sample sustaining degradation, unmodified polyurethane samples residual mass is less than 10%, but
Modified polyurethane samples residual mass is more than 60%；Illustrate gluing using sulfonic acid type environmental protection obtained in the inventive method
The heat resistance of agent is greatly improved.It should be understood that embodiment 3 only illustrates modified sulfonic acid type water-based polyurethane as an example
The heat endurance of adhesive is better than unmodified polyurethane.
Claims (6)
1. a kind of sulfonic acid type green environment protection adhesion agent and preparation method thereof, it is characterised in that the sulfonic acid type environmental protection is gluing
Agent is prepared by each component of following weight portion：
100 parts of polycarbonate polyol
50 ~ 70 parts of diisocyanate
0.5 ~ 1.5 part of small molecule chain extender
0.02 ~ 0.1 part of dibutyl tin laurate
10 ~ 25 parts of organic solvent
1 ~ 10 part of sulfonic acid type hydrophilic chain extender
150 ~ 250 parts of deionized water；
Specifically preparation method step is：Equipped with N2Four mouthfuls of protection device, reflux condensate device, thermometer and mechanical agitator
A certain amount of polycarbonate polyol is added in flask, 1 ~ 2 h is dehydrated under conditions of 120 DEG C and -0.01 MPa；Dehydration
After be cooled to 60 ~ 80 DEG C, to the diisocyanate being slowly added into polycarbonate polyol, the h of insulation reaction 1 ~ 4,
Obtain the performed polymer of polycarbonate polyol and diisocyanate；By polycarbonate polyol and the performed polymer liter of diisocyanate
Temperature is subsequently adding small molecule chain extender and dibutyl tin laurate reacts 2 ~ 5 h to 80 ~ 100 DEG C；It is rapidly cooled to
10 ~ 25 DEG C, organic solvent diluting is added, adding sulfonic acid type hydrophilic chain extender carries out chain extending reaction 25 min, Zhi Houjia
Enter deionized water, the min of dispersion and emulsion 30, last vacuum distillation is sloughed organic solvent, obtains sulfonic acid type green environment protection adhesion agent.
2. a kind of sulfonic acid type green environment protection adhesion agent as claimed in claim 1 and preparation method thereof, it is characterised in that：Described
Polycarbonate polyol is makrolon -1,4- butanediols, makrolon ethylene glycol, makrolon diglycol, poly- carbon
One or more arbitrary proportion mixture in acid esters -1,6-HD.
3. a kind of sulfonic acid type green environment protection adhesion agent as claimed in claim 1 and preparation method thereof, it is characterised in that：Described
Diisocyanate is toluene di-isocyanate(TDI), 1,4- tetramethylene diisocyanates, hexamethylene diisocyanate, isophorone two
One or more arbitrary proportion in isocyanates, XDI, Methylcyclohexyl diisocyanate
Mixture.
4. a kind of sulfonic acid type green environment protection adhesion agent as claimed in claim 1 and preparation method thereof, it is characterised in that：Described
Small molecule chain extender is ethylenediamine, 1,3- propane diamine, 1,4- butanediamine, 1,5- pentanediamines, 1,6- hexamethylene diamines, ethylene glycol, 1,6-
One or more arbitrary proportion mixture in hexylene glycol, 1,4- butanediols, diglycol, neopentyl glycol.
5. a kind of sulfonic acid type green environment protection adhesion agent as claimed in claim 1 and preparation method thereof, it is characterised in that：Described
Organic solvent be one kind in 1-METHYLPYRROLIDONE, ethyl acetate, acetone, butanone, tetrahydrofuran, 1,4- dioxane or
Various arbitrary proportion mixtures.
6. a kind of sulfonic acid type green environment protection adhesion agent as claimed in claim 1 and preparation method thereof, it is characterised in that：Described
Sulfonic acid type hydrophilic chain extender be ethylenediamine base ethyl sulfonic acid sodium, 1,4- butanediol -2- sodium sulfonates, 1,2- dihydroxy -3-N-morpholinopropanesulfonic acid sodium,
One or more arbitrary proportion mixture in 2,4- diamino benzene sulfonic acid sodium.
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| CN102102005A (en) * | 2010-12-13 | 2011-06-22 | 嘉兴禾欣化学工业有限公司 | Preparation method of environmentally-friendly aqueous polyurethane adhesive |
| CN104031596B (en) * | 2014-06-27 | 2016-01-13 | 重庆中科力泰高分子材料股份有限公司 | A kind of low mold temperature water-based polyurethane adhesive and preparation method thereof |
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Application publication date: 20170531 |